The flight distance from Chicago O'Hare International Airport (ORD) in Chicago, United States to Omora Airport (OSE) in Omora, Papua New Guinea is 13,444 kilometers (8,354 miles / 7,259 nautical miles). The estimated flight time for this route is approximately 17h, flying west northwest at a heading of 289°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting United States with Papua New Guinea. It is an intercontinental flight between North America and Oceania. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 02:59 in Chicago, it's 18:59 in Omora. With a 16-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 1,860 feet between the two airports. Omora Airport sits higher than Chicago O'Hare International Airport.

The return flight from Omora (OSE) to Chicago (ORD) follows a heading of 45° (northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Chicago O'Hare International Airport (ORD) and Omora Airport (OSE) detail pages, or use our flight duration calculator to compare other routes.